乙酸规格:99.0%产地:德国/比利时包装:200kg/桶价格:2700元/吨冰乙酸AcetateCas号:64-19-7分子式C2H4O2；CH3COOH分子量60.05别名冰醋酸，乙酸AceticacidAceticacidglacialGlacialaceticacid性状无色透明液体。有刺激性气味。有腐蚀性，对皮肤有刺激痛，发水泡。其蒸气有毒，并易着火。纯的无水乙酸（冰醋酸）是无色的吸湿性液体，凝固点为16.7℃（62℉），凝固后为无色晶体。能与水、乙醇、醚、四氯化碳和油混和，难溶于二硫化碳。凝固时体积微缩。密度：1.048熔点:16-16.5℃沸点:117-118℃折光率n20/D:1.37-1.373闪点：40℃备注:以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。质量标准GB/T676-90项目Item优级纯分析纯化学纯(GR)(AR)(CP)含量(CH3COOH)Assay,%≥99.899.599.0结晶点Freezingpoint,℃≥16.015.114.8蒸发残渣Evaporationresidue,%≤0.0010.0020.005与水混合试验Miscibilitywithwater合格合格合格氯化物(Cl)Chloride,%≤0.00010.00010.0004硫酸盐(SO4)Sulfate,%≤0.00010.0020.0005铁（Fe)Iron,%≤0.000020.00010.0002铜(Cu)Copper,%≤0.000010.000050.0001锌(Zn)Zinc,%≤0.00001----铅(Pb)Lead,%≤0.000010.000050.0001乙酸酐［CH3CO)2O］Aceticanhydride≤0.010.020.02还原重铬酸盐物质(以O计)Dichromate-reducingsubstances,%≤0.0040.0080.01ACS级项目名称ItemACSGrade含量Assay(asCH3COOH)≥99.7%色度Color(APHA)≤10稀释试验DilutiontestPassestest蒸发残渣Residueafterevaporation≤0.001%乙酸酐[(CH3CO)2O]Aceticanhydride≤0.01%氯化物(Cl)Chloride(Cl)≤0.0001%硫酸盐(SO4)Sulfate≤0.0001%重金属(以Pb计)Heavymetals(asPb)≤0.00005%铁(Fe)Iron(Fe)≤0.00002%还原重铬酸盐SubstancesreducingdichromatePassestest还原高锰酸盐SubstancesreducingpermanganatePassestest可滴定碱Titrablebase≤0.0004meq/g品级Grade电子级(semiconductorgrade)MaximumAssay(CH3COOH)99.7%Color10APHACloride(Cl)500ppbSulfate(SO4)500ppbPhosphate500ppbResidueAfterEvaporation500ppbAceticAnhydride0.1%MaximumlimitofimpuritiesAl3ppbAs1ppbSb1ppbBa1ppbBe1ppbBi1ppbB3ppbCd1ppbCa3ppbCr1ppbCo1ppbCu1ppbGa1ppbGe1ppbAu1ppbIn1ppbFe1ppbPb1ppbLi1ppbMg1ppbMn1ppbMo1ppbNi1ppbNb1ppbK3ppbPt1ppbAg1ppbNa3ppbSr1ppbSn1ppbTa1ppbTi1ppbZn1ppbZr1ppbParticulateCount≥0.3micron200pcs/ml≥0.5micron100pcs/ml品级Grade药用级(Ph.Eur.,BP,USP,FCC,99.8-100.5%)外观AppearanceClearcolorlessliquid纯度Purity(titration)99.8-100.5%凝固点Congealingtemperature≤15.6°c非挥发残留Nonvolatileresidue≤0.005%还原性物质Reducingsubstancespasstest氯化物Chloridepasstest硫酸盐Sulfatepasstest铁Iron≤5ppm重金属Heavymetals≤5ppm易氧化物质Readilyoxidizablesubstancespasstest项目名称ItemforLC-MS含量Assay(asCH3COOH)≥99.7%色度Color(APHA)≤10蒸发残渣Evaporationresidue≤0.0005%乙醛Acetaldehyde≤0.0002%乙酸酐Aceticanhydride(GC)≤0.01%氯离子Chloride(Cl-)≤0.5mg/kg磷酸根Phosphate(PO43-)≤0.5mg/kg硫酸根Sulfate(SO42-)≤0.5mg/kgAg≤0.01mg/kgAl≤0.05mg/kgAs≤0.01mg/kgBa≤0.01mg/kgBe≤0.01mg/kgBi≤0.1mg/kgCa≤0.2mg/kgCd≤0.02mg/kgCo≤0.01mg/kgCr≤0.05mg/kgCu≤0.01mg/kgFe≤0.2mg/kgGe≤0.05mg/kgK≤0.1mg/kgLi≤0.01mg/kgMg≤0.1mg/kgMn≤0.01mg/kgMo≤0.02mg/kgNa≤0.5mg/kgNi≤0.05mg/kgPb≤0.02mg/kgSr≤0.01mg/kgTi≤0.01mg/kgTl≤0.05mg/kgV≤0.01mg/kgZn≤0.05mg/kgZr≤0.1mg/kg项目名称ItemforHPLC,≥99.9%外观AppearanceColorlessLiquid红外光谱InfraredspectrumConformstoStructure纯度Purity(GC)≥99.9%紫外吸光度UVabsorptionUVabsorptionAbsorbance:260nm≤0.1A.U.Absorbance:270nm≤0.02A.U.Absorbance:280nm≤0.02A.U.项目名称Item用于荧光分析,99.7%外观AppearanceColorlessLiquid红外光谱InfraredspectrumConformstoStructure纯度Purity(GC)≥99.70%乙酸酐AceticAnhydride<0.01%蒸发残渣ResidueonEvaporation<0.001%色度ColorTest<10APHA氯离子Chloride(CL)<1ppm硫酸盐Sulfate<1ppm铁Iron(Fe)<0.2ppm重金属Heavymetals(asPb)<0.5ppm重铬酸还原物质SubstancesreducingDichromatePassMnO4贮存密封，在16℃以上的暖处保存，以防凝固而致使容器破裂用途常用有机酸。分析、溶剂、有机合成，制备缓冲液等。联合国编号2789Risk：R10-R35-Safety:S23-S26-S45-Hazard:C-)